[mythtv-users] All of this hardware talk reminds me...

Michael T. Dean mtdean at thirdcontact.com
Thu Oct 14 04:26:18 UTC 2010


  On 10/13/2010 11:14 PM, Jarod Wilson wrote:
> On Wed, Oct 13, 2010 at 9:02 PM, Greg Oliver wrote:
>> I built a pretty beefy machine (multi-use), and the cpu cores all seem
>> to stay at 800mhz unless of course I am doing something.  The problem
>> is they do not know when I am about to press the skip or any ff/rew
>> button for that matter.  I definitely do not want to run it full bore
>> since it is almost always idle, but I would like it responsive in the
>> myth menus.
>>
>> Mind you I have not researched any of this, but is there a setting
>> somewhere to run a core at 2GHz when watching video?   :)  I have been
>> unable to get a smooth playback no matter what I do.  If I bind the
>> mythfrontend process to a single core and lock the governor on it does
>> anyone know if it will cause mythtv issues?  I would have to run a
>> core at 2GHz all the time, but I could script something to work around
>> it..
> There are some knobs in sysfs you may be able to tweak for frequency
> ramp-up (and down) that might be of help. Another idea would be to add
> jobs that run at the start and end of playback, changing your governor
> from ondemand to performance, then back again (I know I've seen the
> hooks to do this somewhere in mythfrontend's setup section to do this,
> but I'm not particularly familiar with them myself).

http://www.mythtv.org/wiki/MythTV_System_Events

Mike



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